package com.example.api.project.utils;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection; 
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;
 


 
public class HttpRequest {
	static String partner_id = "841906";
	static String secretkey = "0a0c17c0554a44dfc5fb071d52ebde90e5c7d8b52584426fb30b15444d5488a9";
	Unixtime unixtime=new Unixtime();
	
	public static void main(String[] args) throws IOException {
		String urlString ="http://wthrcdn.etouch.cn/weather_mini?citykey=101280101";
		System.out.println(sendGet(urlString,""));
		
		gettq(urlString);
		
	}
	/**
     * 向指定URL发送GET方法的请求
     * 
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection(); 
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
//            for (String key : map.keySet()) {
//                System.out.println(key + "--->" + map.get(key));
//            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream())); 
             String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            
            
            
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }
    /**
     * 向指定 URL 发送POST方法的请求
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param,String Authorization) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("Content-Type", "application/json");
            conn.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
           if(Authorization==null){
        	   
           }else {
        	   conn.setRequestProperty("Authorization", Authorization);
		} 
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            //1.获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            //2.中文有乱码的需要将PrintWriter改为如下
            //out=new OutputStreamWriter(conn.getOutputStream(),"UTF-8")
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
       
        return result;
    }
    

    public static String gettq(String url) throws IOException{
    	URL realUrl = new URL(url);
    	// 打开和URL之间的连接  
    	HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection(); 
    	// 发送POST请求必须设置如下两行  
    	conn.setRequestMethod("GET");// 提交模式
    	conn.setDoInput(true);
    	conn.setDoOutput(false);
    	conn.setUseCaches(false);
    	conn.setRequestProperty("Connection", "close"); 
    	conn.setConnectTimeout(3000);  //设置连接主机超时（单位：毫秒）  
    	conn.setReadTimeout(2000);     //设置从主机读取数据超时（单位：毫秒）   
    	
    	
    	InputStream stream = new GZIPInputStream(conn.getInputStream());  
    	BufferedReader reader = new BufferedReader(new InputStreamReader(stream,"utf-8"));  
    	StringBuffer sb = new StringBuffer(); 
    	String line = "";  
    	while ((line = reader.readLine()) != null){  
    		sb.append(line);  
    	}   
		return sb.toString();
    	
    	
    }
   
    
}
